We'll be honest here. We hadn't heard of Rock Paper Scissors Lizard Spock until that episode of The Big Bang Theory. You could say that prior to that day we were traditional roshamboists. Sheldon explains how it works and why it's superior to your standard-grade RPS. The symbols for Rock Paper Scissors Lizard Spock in a circle (with arrows for reference on what beats what) on a 16 oz coffee mug.